Fuel tank



FIG. 1 is a side view of a fuel tank showing our new design, the broken lines showing a work vehicle being for illustrative purposes only, and forms no part of the claimed design.

FIG. 2 is a front/right perspective view of the fuel tank design of FIG. 1.

FIG. 3 is a top view of the fuel tank design of FIG. 1.

FIG. 4 is a right side view of the fuel tank design of FIG. 1.

FIG. 5 is a front view of the fuel tank design of Fig 1.

FIG. 6 is a bottom view of the fuel tank design of FIG. 1.

FIG. 7 is a left side view of the fuel tank design of FIG. 1; and,

FIG. 8 is a rear view of the fuel tank design of FIG. 1. 

The ornamental design for a fuel tank, as shown and described. 